Andrew Rosenkrantz, MD and Brian Casey

Nov 26, 2018
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A ChatGPT-generated slide presented by Jack Brunner, MD, at ARRS on April 12, as he described fielding a flood of calls and messages from colleagues over Katz's comment.
ARRS: Radiology chief fires back over claim AI could replace radiologists
April 14, 2026
Representative axial T1-weighted spin-echo thigh MRI scans in (A) a 61-year-old female participant and (B) a 62-year-old female participant. Both participants were of similar age and body mass index (BMI, calculated as weight in kilograms divided by height in meters squared). Both had Physical Activity Scale for the Elderly scores above the mean score in the study. According to the World Health Organization definition, the participant in B qualified as having abdominal obesity (abdominal circumference ≥ 88 cm). Abdominal circumference is a measure of central obesity that captures fat distribution and serves as an indicator of cardiometabolic health. Compared with the participant in A, the participant in B had a higher proportion of ultra-processed food (UPF) in their diet (87.1% vs 29.5%) and exhibited fattier thigh muscles bilaterally, with Goutallier grade (GG) for all thigh muscles summing to 25 for the participant in A and 38 for the participant in B.
MRI highlights worse muscle health from ultra-processed foods
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ARRS: Radiology chief fires back over claim AI could replace radiologists
By Will Morton
Ultimately, AI technology itself isn’t ready.
April 14, 2026
A ChatGPT-generated slide presented by Jack Brunner, MD, at ARRS on April 12, as he described fielding a flood of calls and messages from colleagues over Katz's comment.
MRI highlights worse muscle health from ultra-processed foods
By Erik L. Ridley
A study has found that ultra-processed food consumption is tied to higher thigh-muscle fat infiltration on MRI.
April 14, 2026
Representative axial T1-weighted spin-echo thigh MRI scans in (A) a 61-year-old female participant and (B) a 62-year-old female participant. Both participants were of similar age and body mass index (BMI, calculated as weight in kilograms divided by height in meters squared). Both had Physical Activity Scale for the Elderly scores above the mean score in the study. According to the World Health Organization definition, the participant in B qualified as having abdominal obesity (abdominal circumference ≥ 88 cm). Abdominal circumference is a measure of central obesity that captures fat distribution and serves as an indicator of cardiometabolic health. Compared with the participant in A, the participant in B had a higher proportion of ultra-processed food (UPF) in their diet (87.1% vs 29.5%) and exhibited fattier thigh muscles bilaterally, with Goutallier grade (GG) for all thigh muscles summing to 25 for the participant in A and 38 for the participant in B.
Most MIPS quality measures 'topped out' based on a fraction of physicians
By Kate Madden Yee
CMS designates MIPS measures as "'topped out'" when reporting clinicians consistently achieve high performance.
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MRI-guided ultrasound ablation outperforms surgery in prostate cancer
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TULSA may allow patients to recover more quickly and maintain a better quality of life following treatment.
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ARRS: Emergency radiologists can plan for care during system downtimes
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Emergency radiologists can take steps toward weathering system failures from malfunctions and cyberattacks.
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Ellen Sun, MD, outlines how emergency radiologists can prepare for downtimes caused by system malfunctions or cyberattacks at ARRS 2026.
Abbreviated breast MRI after chemotherapy comparable to full protocol
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The findings could translate into more tailored patient care, researchers noted.
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Post-neoadjuvant chemotherapy (NAC) MRI scans in a 66-year-old woman with invasive breast cancer show a lesion that appears fragmented in the first postcontrast axial T1-weighted image (arrow in A) but becomes more conspicuous and homogeneous in the last delayed phase (arrow in B). Despite these visual differences, response classification was identical between abbreviated and full diagnostic MRI. Pathologic analysis confirmed a partial response with residual invasive carcinoma.
ARRS: CTA may have key role in imaging SCAD
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CTA could be a viable imaging technique in imaging sudden coronary artery dissection (SCAD), an ARRS presentation suggested.
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Brian Ghoshhajra, MD, presents the case for CT angiography (CTA) as an optimal imaging test for sudden coronary artery dissection (SCAD) at ARRS 2026.
MRI shows link between aneurysm and cumulative combat blast exposure
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"These findings suggest that repeated blast exposure may leave a measurable vascular signature in the brain," researchers noted.
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Representative axial time-of-flight MR angiography image in a 39-year-old male participant shows a laterally projecting intracranial aneurysm (arrow) originating from the right cavernous segment of the internal carotid artery.
ARRS: Do GLP-1 drugs confound FDG-PET imaging scans?
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No significant differences in FDG uptake were observed in the skeletal muscle, liver, blood pool, or abdominal fat following GLP-1 agonist therapy.
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ARRS: How should breast imagers develop surveillance strategies?
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An ARRS presentation explored surveillance imaging strategies for breast cancer survivors.
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Derek Nguyen, MD, shares insights on surveillance imaging strategies for women with a personal history of breast cancer at ARRS 2026.
Population-level lung cancer rate higher than NLST rate
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Researchers reported a higher lung cancer detection rate after a shorter follow-up period.
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